ACTIVITY 4 HOW STRONG IS AN EARTHQUAKE Directions: Write True if the given statement is correct. If wrong. change the underlined word number that will make the statement correct. Write your answer on your answer sheet.
1. intensity measures the energy released at the source of the earthquake,
2. When an earthquake occurs, its magnitude can be given a single numerical value on the Richter Magnitude Scale.
3. A description of the variable shaking that is experienced in different areas is referred to as magnitude
4. Inicnsity is determined from effects on people, human structures, and the natural environment.
5. A seismograph is an instrument that detects and measures earthquake waves.
6. Intensity increases as we move further from the epicenter
7. The greater the magnitude, the stronger the earthquake
8. The magnitude of the earthquake is determined by observing the effects of the earthquake in different places
9. An intensity 4 means that the earthquake was felt indoors by many, outdoors by few during the day. 10. Richter Magnitude Scale uses llindu-Arabic numbers to indicate the strength of an earthquake
1. intensity measures the energy released at the source of the earthquake,
2. When an earthquake occurs, its magnitude can be given a single numerical value on the Richter Magnitude Scale.
3. A description of the variable shaking that is experienced in different areas is referred to as magnitude
4. Inicnsity is determined from effects on people, human structures, and the natural environment.
5. A seismograph is an instrument that detects and measures earthquake waves.
6. Intensity increases as we move further from the epicenter
7. The greater the magnitude, the stronger the earthquake
8. The magnitude of the earthquake is determined by observing the effects of the earthquake in different places
9. An intensity 4 means that the earthquake was felt indoors by many, outdoors by few during the day. 10. Richter Magnitude Scale uses llindu-Arabic numbers to indicate the strength of an earthquake
Answers & Comments
A strong earthquake is one that registers between 6 and 6.0 on the Richter scale. There are about 100 of these around the world every year and they usually cause some damage. In populated areas, the damage may be severe.